Returns, as an INT64 value, the allocated byte size of the memory region associated with the specified MEMPTR variable.
Note: Does not apply to SpeedScript programming.
Syntax
GET-SIZE ( memptr-var )
memptr-var
A MEMPTR variable. If the variable is uninitialized (has no associated memory region), the function returns 0.
Example
The following example allocates three memory regions-for a BITMAPINFO structure, a BITMAPINFOHEADER structure, and an RGB color array. It then displays the allocation size for each region. These structures describe a device-independent bitmap for Windows dynamic link library (DLL) routines. For more information on these bitmap structures, see your Windows Software Development Kit documentation.
r-getsiz.p
DEFINE VARIABLE bitmapinfo AS MEMPTR NO-UNDO.
DEFINE VARIABLE bitmapinfoheader AS MEMPTR NO-UNDO.
DEFINE VARIABLE RGBcolors AS MEMPTR NO-UNDO.
SET-SIZE(bitmapinfo) = 4 /* Pointer to bitmapinfoheader */
+ 4. /* Pointer to RGBcolors */
To return a memory size greater than 0, the MEMPTR variable must be fully initialized, not just pre-initialized by a DLL or UNIX shared library routine.
MEMPTR structures are initialized using the SET-SIZE statement.
For more information on using the MEMPTR data type, see OpenEdge Development: Programming Interfaces.